Patient interface



FIG. 1 is a front perspective view of a patient interface showing a first embodiment of our new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a right side elevation view thereof;

FIG. 8 is a front perspective view of a patient interface showing a second embodiment our new design;

FIG. 9 is a front elevation view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a top plan view thereof;

FIG. 12 is a bottom plan view thereof;

FIG. 13 is a left side elevation view thereof; and,

FIG. 14 is a right side elevation view thereof.

The broken lines in the drawings illustrate portions of the patient interface that form no part of the claimed design.

The tube is shown in the figures with a symbolic break in its length. The appearance of any portion of the tube between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a patient interface, as shown and described. 